Home / 825,566.36-1,238,464.34-292,960.78

Finding the Fourth Proportional to 825,566.36, 1,238,464.34 and 292,960.78

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Solution

The fourth proportional to 825,566.36, 1,238,464.34 and 292,960.78 is: 439,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,566.36 : 1,238,464.34 = 292,960.78 : x
  2. Step 2: Convert to fraction form
    825,566.36/1,238,464.34 = 292,960.78/x
  3. Step 3: Cross multiply
    825,566.36x = 1,238,464.34 × 292,960.78
  4. Step 4: Simplify right side
    825,566.36x = 362,821,479,048.59
  5. Step 5: Solve for x
    x = 362,821,479,048.59/825,566.36
  6. Step 6: Final answer
    x = 439,481.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.